Article ID Journal Published Year Pages File Type
2029492 Steroids 2008 5 Pages PDF
Abstract

The preparation of 3-oxo-4-azasteroid from A-nor-3,5-secosteroid-3-oic acid is described in a solventless condition catalysed by Lewis acid under microwave irradiation. We utilized urea as an environmentally benign source for the generation of ammonia for the aza cyclization reaction.

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Life Sciences Biochemistry, Genetics and Molecular Biology Biochemistry
Preview
A microwave promoted and Lewis acid catalysed solventless approach to 4-azasteroids
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